Circuit breakers WAB-UETM®-55-2500/30-L-U2, WAB-UETM®-55-2500/30-P-U2, WAB-UETM®-55-2500/30-E-U2 are designed to protect the equipment of DC main electric locomotives against overloads and short-circuit currents.
ВАБ-UEТМ®-55-2500
Parameters
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Parameters |
Norms |
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WAB-UETM®-55-2500/30-Л- У2 |
WAB-UETM®-55-2500/30-П- У2 |
WAB-UETM®-55-2500/30-Э- У2 |
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1. Main circuit current |
DC |
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2. Polarization |
Non-polarized |
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3.Drive type |
Pneumatic |
Electromagnetic |
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4. Rated voltage of the main circuit, V |
3000 |
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5. Maximum operating voltage, V |
4100 |
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6. Rated current at a constant load in time, A |
2500 |
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7. Nominal DC voltage of control circuits, V |
50 or 110 |
110 |
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8. Current limits of the setpoint, A |
2000…3500 |
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9. Breaking capacity of circuit breakers with inductance 5-15 mH, А: |
30000 |
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10. The smallest switchable current, A |
8 |
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11. Own opening time, s |
0,004 |
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12. The number of current cuts of 15000 A with an inductance of 15 mH without stripping the main contacts and the arc chute |
300 |
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13. The number of on and off in the absence of current in the main circuit, cycles |
20000 |
50000 |
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14. Weight of circuit breakers without spare parts, kg, not more |
165 |
180 |
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15. Service life of the circuit breaker, years |
23 |
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